Position in RIO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$49,800,467
+$860,347 QoQ
Shares Held
524,602
0.0% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#45
of 966 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RIO Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $64,122,350 across 3 Other Industrial Metals & Mining names. RIO ranks #1 (77.7% of the industry book) .
All Filings in RIO
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $49,800,467 | 524,602 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $48,940,120 | 524,602 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $53,988,398 | 674,602 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $41,229,978 | 624,602 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $30,600,034 | 524,602 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $4,806,400 | 80,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $34,697,900 | 590,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $51,598,250 | 725,000 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $29,668,500 | 450,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $50,992,000 | 800,000 | Shares | Sole | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||